Art of treating match-splints.



sEsT AVAILABLE cos UNITED STATES PATENT OFFICE.

WILLIAM A. FAIRBURN, FREDERICK V. D. CRUSER, AND WILLIAM GREEN, F BAR- BERTON, OHIO, ASSIGNORS TO THE DIAMOND MATCH COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS.

ART OF TREATING MATCH-SI LINTS.

1,044,154. Specification of Letters Patent Patented Nov. 12, 1912. No Drawing. Application filed February 10, 1912. Serial No. 676,896. 1

, 1 salesmen To all whom it may concern: ing materials in a very finely divided con Be it known that we, \ViLLIAM A. FAIR- tion are kept in suspension in the presence nuns, FREDERICK V. D. Carmen, and VVIL- of an unctuous substance which is mainmau (lumen, citizens of the United States, taincd at a sufficiently high temperature to 5 and residents of Barberton, in the county insure impregnation of the splints. Thus,

of Summit and State of Ohio, have invented for example, we heat paraflin to a tempera- 60 certain new and useful Improvements in ture over 212 and preferably from 300 to the Art of Treating Match-Splints, of which 320, Fahn, more or less, and add thereto the following is a specification. and keep in suspension therein very finely This invention relates to an improvement divided boraclc acid and alum. in the art of treating match sphnts, and The match spllnts are immersed in the hot 65 particularly concerns a process whereby the solution for a sufficiently long time to effect splints have incorporated therewith an the impregnation of the splints with the unctuous vehicle for the etlicient transmispowdered substance. the period of immersion of the flame from the igniting material sion being a variable one depending upon to the body of the splints, and whereby the the nature and condition of the splint mate- 70 splints are impregnated with materials rial. which prevent the lowing of the ephnts The suspension of the powdered substance after the flame has IJeen extinguishe may be effected by mechanical agitation of As heretofore enerally practiced the the bath or by chemical disintegration of burning and non-g owing characteristics of such substance therein; and in the former 75 match splints have been attained by subcase we find it advantageous to dissolve in jecting the splints to the three-fold operathe parafiin, or other unctuous substance, a tion of (1) impregnating the splints with soap or soaps produced by the combination an aqueous solution of a suitable chemical of a metallic oxid with a fatty anhydrid.

or chemicals; (2) drying the splints, and This added material not only contributes di- 8( (3). dipping them in a bath of parafiin or rectly to the impregnation of the splints, but

other suitable unctuous substance. The it aids in the suspension of the impregnating last named step is technically known as powder in the solution. Good results are separafiining, and for the sake of brevity cured by dissolving in the paratlin kept at or we shall herein use that term in the same about the temperature above mentioned 8! comprehensive sense. aluminum stearate or calcium stearate in the In an application Serial No. 676,895 filed proportion, in each instance, of about 7% simultaneously herewith we disclose, among stearate and 93% paraffin.

other things, a process of impregnating and It is to be understood that in pursuance parafiining match splints, wherein the of our invention we may employ any suit- 9 splints are first subjected to an impregnatable unctuous bath, and we may employ any ing bath, and then to the action of a bath of finely divided impregnating material which li uid paratlin, or the like, which is maincan be kept in suspension by agitation or tamed at a temperature sufiicient to expel disintregat-ion.

the solvent from the splints in the form of We claim- 9 steam or vapor; the splints thus being ef- 1. The improvement in the art of treating fectually dried without deteriorating or match splints to render them non-glowing lessenin the efiicacy of the non-glowing which consists in providing a bath of unctuchemica s with which they are 1mpreg- -ous material which will serve as a vehicle nated, and such splints at the same time abfor the efiicient transmission of the flame 1 sorbing sufiicient parafiin to facilitate the from the igniting material to the body of burning of the splints. the splints, addin to the bath a non-glow- It is the object of our present invention to ing powdered su stance which will effect effect the impregnating and parafiining of impre nation of the splints, maintaining the match splints at a single operation. said su stance in suspension, and dipping or 1 In carrying out our invention in a simple immersing the splints in the bath.

and efiicient manner we subject the splints 2. The improvement in the art of treating to the action of a bath wherein impregnatmatch splints to render them non-glowing,

which consists in providing a bath of paraffin, adding thereto a non-glowing powdered substance which will effect impregnation of the splints, maintaining said substance in suspension, and dipping or immersing the splints in the bath.

3. The improvement in the art of treating match splints to render them non-glowing, which consists in heating-unctuous material to a temperature over 212 F ahn, dissolving therein a soapcomprising the-combination of a metallic oxid with a fatty anhydrid, adding to the solution a non-glowing powdered substance which will efiectimpregnation of the splints, agitating the solutiouto 15 keep such substance in suspension, anddlpv ping or innnersin the splints in the bath.

Signed at Bar erton in the county of Summit and State of Ohio this 7 day of Feb; A. D. 1912.

WILLIAM A. FAIRBURN. FREDERICK V. D. CRUSER. WILLIAM GREEN. Vitnsses E. O. JACOBS, B. C. Ross.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, I). C. 

